About 12 results
https://drivepatents.com/patents/1001954 · 30 May 2012
The fuel injection valve has housing (1), where a piston-shaped valve needle (20) is arranged in longitudinally movable manner. A valve sealing surface is formed at the valve needle. The valve needle with a valve seat acts together for opening and closing ...
https://drivepatents.com/patents/1004524 · 7 Mar 2012
The fuel injector comprises a nozzle needle (1), which is guided in a high pressure borehole (2) of a nozzle body (3) for releasing or sealing an injection opening. An intensifier piston is provided, which interacts with the nozzle needle. A movable delay ...
https://drivepatents.com/patents/1007775 · 16 Nov 2011
A fuel injector for internal combustion engines, comprising: - a valve guide (12) having a longitudinal guide bore (14) and a chamber (16) provided with a valve seat (20), said chamber (26) being connected to a fuel supply duct (18); - an atomizer (26) fix...
https://drivepatents.com/patents/1015997 · 2 Feb 2011
The valve has a valve body (1), and a valve needle (6) arranged in a hole (2) of the body in a longitudinally displaceable manner. The valve needle has a valve seat surface (8) at an end that is turned towards a valve seat (3). The valve needle works toget...
https://drivepatents.com/patents/1069592 · 1 Mar 2006
The valve, especially a servo valve of a fuel injector, has an axially movable valve component (10), the free end section of which in the closed position of the valve has a profiled section (30) which extends into or through a passage (25) in the valve bod...
https://drivepatents.com/patents/1091103 · 17 Dec 2003
End of injection rate shaping can be attained by controlling the flow rate into a check control cavity (34). Specifically, a flow control valve (30) allows the check control cavity (34) to vent at a first flow rate and to pressurize at a second slower flow...
https://drivepatents.com/patents/1093049 · 24 Sep 2003
A fuel injection valve (1) provided with a control valve (8) which is displaced in order to control a pressure within a pressure chamber (5) acting upon a jet hole valve (4), an actuator (17) which generates an operation force for displacing the control va...
https://drivepatents.com/patents/1093720 · 27 Aug 2003
Pump/nozzle system has a high pressure chamber (25) which is impinged upon via a pump piston (3), and a storage piston (23) held within a storage chamber (24) and impinged upon via a pressure spring arranged in a spring-holding chamber (42). A non-return t...
https://drivepatents.com/patents/1093887 · 27 Aug 2003
A fuel injector comprising a valve needle (10) slidable within a first bore (11), a surface associated with the valve needle (10) being exposed to the fuel pressure within a first control chamber (20) and movement of the valve needle (10) away from the val...
https://drivepatents.com/patents/1095729 · 28 May 2003
The device has an injection nozzle with a nozzle needle (31) and a control chamber (3) divided into 3 sections (13,15,17) by a control piston (11) with two grooves with a sliding element between them and separates a high pressure connection from a feed cha...